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Analysis of Beam Steering of an Opti...

Brar, Jarmanjeet Singh.

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Analysis of Beam Steering of an Optical Nanoantenna Array.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Analysis of Beam Steering of an Optical Nanoantenna Array./
Author:	Brar, Jarmanjeet Singh.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2020,
Description:	43 p.
Notes:	Source: Masters Abstracts International, Volume: 82-06.
Contained By:	Masters Abstracts International82-06.
Subject:	Electrical engineering. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28026661
ISBN:	9798698590873

Analysis of Beam Steering of an Optical Nanoantenna Array.
Brar, Jarmanjeet Singh.

Analysis of Beam Steering of an Optical Nanoantenna Array. - Ann Arbor : ProQuest Dissertations & Theses, 2020 - 43 p.

Source: Masters Abstracts International, Volume: 82-06.

Thesis (M.S.)--California State University, Long Beach, 2020.

This item must not be sold to any third party vendors.

Recent developments in nanofabrication technologies and plasmonics have generated a considerable interest for the field of nanoantenna, and several studies are being carried out to adapt the tested microwave and millimeter wave antenna concepts to the nanoantennas. The creation of phased arrays in the optical domain is an active area of research due to its applications in various fields such as sensing, optical microscopy, nanoscale imaging and spectroscopy, photovoltaics and many more.This thesis proposes the design of an optical phased nanoantenna array composed of metal and dielectric elements. The array is able to accomplish beam steering without any physical movement of the source or the array structure and without the involvement of electrical components such as phase shifters/drivers. As electrical components or hardware elements are not used, our design is relatively simpler, more practical and require minimum maintenance. Our design achieves beam steering by controlling progressive phase difference between consecutive dielectric elements. The phase difference between the elements is controlled by changing the refractive index of the electrically tunable dielectric elements by applying an external electric field. To analyze the design, an equivalent model was constructed using FDTD software and simulations were carried out for a range of refractive indices. Results from simulations showed that the design can attain a maximum beam steering angle of 58.6 degrees.

ISBN: 9798698590873Subjects--Topical Terms:

649834
Electrical engineering.
Subjects--Index Terms:

Beam steering

Analysis of Beam Steering of an Optical Nanoantenna Array.
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245 1 0 $a Analysis of Beam Steering of an Optical Nanoantenna Array.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2020
300 $a 43 p.
500 $a Source: Masters Abstracts International, Volume: 82-06.
500 $a Advisor: Ahmed, Aftab.
502 $a Thesis (M.S.)--California State University, Long Beach, 2020.
506 $a This item must not be sold to any third party vendors.
520 $a Recent developments in nanofabrication technologies and plasmonics have generated a considerable interest for the field of nanoantenna, and several studies are being carried out to adapt the tested microwave and millimeter wave antenna concepts to the nanoantennas. The creation of phased arrays in the optical domain is an active area of research due to its applications in various fields such as sensing, optical microscopy, nanoscale imaging and spectroscopy, photovoltaics and many more.This thesis proposes the design of an optical phased nanoantenna array composed of metal and dielectric elements. The array is able to accomplish beam steering without any physical movement of the source or the array structure and without the involvement of electrical components such as phase shifters/drivers. As electrical components or hardware elements are not used, our design is relatively simpler, more practical and require minimum maintenance. Our design achieves beam steering by controlling progressive phase difference between consecutive dielectric elements. The phase difference between the elements is controlled by changing the refractive index of the electrically tunable dielectric elements by applying an external electric field. To analyze the design, an equivalent model was constructed using FDTD software and simulations were carried out for a range of refractive indices. Results from simulations showed that the design can attain a maximum beam steering angle of 58.6 degrees.
590 $a School code: 6080.
650 4 $a Electrical engineering. $3 649834
650 4 $a Computer science. $3 523869
650 4 $a Nanotechnology. $3 526235
650 4 $a Information technology. $3 532993
650 4 $a Optics. $3 517925
653 $a Beam steering
653 $a Optical nanoantenna
653 $a Nanofabrication technologies
653 $a Microwave
653 $a Milimeter wave
653 $a Photovoltaics
690 $a 0544
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710 2 $a California State University, Long Beach. $b Electrical Engineering. $3 2094840
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